Patents by Inventor Joseph M. Sipitkowski

Joseph M. Sipitkowski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Convex fuel manifold providing uniform pressure seal to fuel cell stack
    Patent number: 6495280
    Abstract: A reactant gas manifold (6), to be used with a fuel cell stack (17) having a flat seal surface (16), is provided with a convex seal surface (13) so that when the manifold (6) is distorted by being bolted (20) to the fuel cell stack, the distortion will provide substantially uniform seal pressure along the length of the seal between the surfaces (13, 16).
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: December 17, 2002
    Assignee: UTC Fuel Cells, LLC
    Inventors: Aaron W. Morrow, Joseph M. Sipitkowski, Jeffrey G. Lake
  • CONVEX FUEL MANIFOLD PROVIDING UNIFORM PRESSURE SEAL TO FUEL CELL STACK
    Publication number: 20020155337
    Abstract: A reactant gas manifold (6), to be used with a fuel cell stack (17) having a flat seal surface (16), is provided with a convex seal surface (13) so that when the manifold (6) is distorted by being bolted (20) to the fuel cell stack, the distortion will provide substantially uniform seal pressure along the length of the seal between the surfaces (13, 16).
    Type: Application
    Filed: April 20, 2001
    Publication date: October 24, 2002
    Inventors: Aaron W. Morrow, Joseph M. Sipitkowski, Jeffrey G. Lake